With millions in service and backed by more than five decades of experience, Taco In-Line Circulators have earned their reputation for proven performance and dependable, quiet operation. These units are designed to efficiently circulate heated or chilled water in a full range of residential and commercial hydronic and solar systems. You can also use these circulators for zoning large installations, for primary-secondary systems and for parallel pumping designs. These rugged workhorses are available in sizes and configurations to meet all your needs, including bronze construction for fresh water service